31.1.1 Internal SRAM
SAM9X7 Series devices embed 68 Kbytes of high-speed SRAM. SRAM0 (64 KB) is always accessible at address 0x0030 0000. After remap, SRAM0 is also available at address 0x0000 0000. A 4-Kbyte SRAM memory, SRAM1, is used for OTP emulation and is always accessible at address 0x0040 0000.